Projects

CSEMP assessment of nickel in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-14.79-10.2910.40-20.79
linear2-14.01 -3.3411.00-22.011.216 10.2702
smooth (df = 2)3-12.69 12.3111.34-22.690.680 10.4098

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620133.3673.243-0.12419 0.11264-1.1030.3205
last 20 years200620133.3673.243-0.12419 0.11264-1.1030.3205

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC25.636.00.34090.07744.4050.0035

 


Related pages

  • Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
  • Assessment methodology for in sediment
  • Accessment criteria for in sediment